Home / 1,038,781.04-1,558,373.52-399,038

Finding the Fourth Proportional to 1,038,781.04, 1,558,373.52 and 399,038

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Solution

The fourth proportional to 1,038,781.04, 1,558,373.52 and 399,038 is: 598,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,781.04 : 1,558,373.52 = 399,038 : x
  2. Step 2: Convert to fraction form
    1,038,781.04/1,558,373.52 = 399,038/x
  3. Step 3: Cross multiply
    1,038,781.04x = 1,558,373.52 × 399,038
  4. Step 4: Simplify right side
    1,038,781.04x = 621,850,252,673.76
  5. Step 5: Solve for x
    x = 621,850,252,673.76/1,038,781.04
  6. Step 6: Final answer
    x = 598,634.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.